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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta
      name="viewport"
      content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"
    />
    <meta
      name="description"
      content="Adjust lighting on the globe as seen from space."
    />
    <meta name="cesium-sandcastle-labels" content="Showcases" />
    <title>Cesium Demo</title>
    <script type="text/javascript" src="../Sandcastle-header.js"></script>
    <script
      type="text/javascript"
      src="../../../Build/CesiumUnminified/Cesium.js"
      nomodule
    ></script>
    <script type="module" src="../load-cesium-es6.js"></script>
  </head>
  <body
    class="sandcastle-loading"
    data-sandcastle-bucket="bucket-requirejs.html"
  >
    <style>
      @import url(../templates/bucket.css);
      #toolbar {
        background: rgba(42, 42, 42, 0.8);
        padding: 4px;
        border-radius: 4px;
      }
      #toolbar input {
        vertical-align: middle;
        padding-top: 2px;
        padding-bottom: 2px;
      }
    </style>
    <div id="cesiumContainer" class="fullSize"></div>
    <div id="loadingOverlay"><h1>Loading...</h1></div>
    <div id="toolbar">
      <table>
        <tbody>
          <tr>
            <td>Lighting Fade Out Distance</td>
            <td>
              <input
                type="range"
                min="1e6"
                max="1e8"
                step="1e6"
                data-bind="value: lightingFadeOutDistance, valueUpdate: 'input'"
              />
              <input
                type="text"
                size="10"
                data-bind="value: lightingFadeOutDistance"
              />
            </td>
          </tr>
          <tr>
            <td>Lighting Fade In Distance</td>
            <td>
              <input
                type="range"
                min="1e6"
                max="1e8"
                step="1e6"
                data-bind="value: lightingFadeInDistance, valueUpdate: 'input'"
              />
              <input
                type="text"
                size="10"
                data-bind="value: lightingFadeInDistance"
              />
            </td>
          </tr>
          <tr>
            <td>Night Fade Out Distance</td>
            <td>
              <input
                type="range"
                min="1e6"
                max="1e8"
                step="1e6"
                data-bind="value: nightFadeOutDistance, valueUpdate: 'input'"
              />
              <input
                type="text"
                size="10"
                data-bind="value: nightFadeOutDistance"
              />
            </td>
          </tr>
          <tr>
            <td>Night Fade In Distance</td>
            <td>
              <input
                type="range"
                min="1e6"
                max="1e8"
                step="1e6"
                data-bind="value: nightFadeInDistance, valueUpdate: 'input'"
              />
              <input
                type="text"
                size="10"
                data-bind="value: nightFadeInDistance"
              />
            </td>
          </tr>
        </tbody>
      </table>
    </div>
    <script id="cesium_sandcastle_script">
      function startup(Cesium) {
        "use strict";
        //Sandcastle_Begin
        var viewer = new Cesium.Viewer("cesiumContainer", {
          sceneModePicker: false,
        });
        var scene = viewer.scene;
        var globe = scene.globe;

        var defaultLightFadeOut = globe.lightingFadeOutDistance;
        var defaultLightFadeIn = globe.lightingFadeInDistance;
        var defaultNightFadeOut = globe.nightFadeOutDistance;
        var defaultNightFadeIn = globe.nightFadeInDistance;

        // The viewModel tracks the state of our mini application.
        var viewModel = {
          lightingFadeOutDistance: defaultLightFadeOut,
          lightingFadeInDistance: defaultLightFadeIn,
          nightFadeOutDistance: defaultNightFadeOut,
          nightFadeInDistance: defaultNightFadeIn,
        };
        // Convert the viewModel members into knockout observables.
        Cesium.knockout.track(viewModel);

        // Bind the viewModel to the DOM elements of the UI that call for it.
        var toolbar = document.getElementById("toolbar");
        Cesium.knockout.applyBindings(viewModel, toolbar);

        function subscribeParameter(name) {
          Cesium.knockout
            .getObservable(viewModel, name)
            .subscribe(function (newValue) {
              globe[name] = newValue;
            });
        }

        subscribeParameter("lightingFadeOutDistance");
        subscribeParameter("lightingFadeInDistance");
        subscribeParameter("nightFadeOutDistance");
        subscribeParameter("nightFadeInDistance");

        Sandcastle.addToggleButton(
          "Ground atmosphere",
          globe.showGroundAtmosphere,
          function (checked) {
            globe.showGroundAtmosphere = checked;
          }
        );

        Sandcastle.addToggleButton("Lighting", globe.enableLighting, function (
          checked
        ) {
          globe.enableLighting = checked;
        });

        Sandcastle.addToolbarMenu([
          {
            text: "Cesium World Terrain - no effects",
            onselect: function () {
              viewer.terrainProvider = Cesium.createWorldTerrain();
            },
          },
          {
            text: "Cesium World Terrain w/ Vertex Normals",
            onselect: function () {
              viewer.terrainProvider = Cesium.createWorldTerrain({
                requestVertexNormals: true,
              });
            },
          },
          {
            text: "Cesium World Terrain w/ Water",
            onselect: function () {
              viewer.terrainProvider = Cesium.createWorldTerrain({
                requestWaterMask: true,
              });
            },
          },
          {
            text: "Cesium World Terrain w/ Vertex Normals and Water",
            onselect: function () {
              viewer.terrainProvider = Cesium.createWorldTerrain({
                requestVertexNormals: true,
                requestWaterMask: true,
              });
            },
          },
          {
            text: "EllipsoidTerrainProvider",
            onselect: function () {
              viewer.terrainProvider = new Cesium.EllipsoidTerrainProvider();
            },
          },
        ]);

        Sandcastle.addToolbarButton("Reset Fade Distances", function () {
          globe.lightingFadeOutDistance = defaultLightFadeOut;
          globe.lightingFadeInDistance = defaultLightFadeIn;
          globe.nightFadeOutDistance = defaultNightFadeOut;
          globe.nightFadeInDistance = defaultNightFadeIn;

          viewModel.lightingFadeOutDistance = defaultLightFadeOut;
          viewModel.lightingFadeInDistance = defaultLightFadeIn;
          viewModel.nightFadeOutDistance = defaultNightFadeOut;
          viewModel.nightFadeInDistance = defaultNightFadeIn;
        });

        //Sandcastle_End
        Sandcastle.finishedLoading();
      }
      if (typeof Cesium !== "undefined") {
        window.startupCalled = true;
        startup(Cesium);
      }
    </script>
  </body>
</html>

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